risk-classification

Agent Building

Classifies agent tasks into 4 risk tiers (GREEN/YELLOW/RED/CRITICAL). Use when assessing action reversibility before committing to an approach.

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Source SKILL.md: https://github.com/athola/claude-night-market/blob/HEAD/plugins/leyline/skills/risk-classification/SKILL.md

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Overview
When to Use
4-Tier Risk Model
Hybrid Routing
Task Metadata Extension
Module Reference
Integration Pattern
Exit Criteria

Risk Classification

Overview

Provides inline risk classification for agent tasks using a 4-tier model (GREEN/YELLOW/RED/CRITICAL). Uses fast heuristic file-pattern matching for low-risk tiers and delegates to Skill(attune:war-room-checkpoint) for high-risk tiers requiring full reversibility scoring.

When To Use

Assessing risk of tasks before agent assignment
Determining verification requirements for task completion
Deciding parallel execution safety between tasks
Adding risk markers to task checklists

When NOT To Use

Single-file trivial changes (assume GREEN)
Strategic architecture decisions (use full Skill(attune:war-room) instead)
Non-code tasks (documentation-only, configuration comments)

4-Tier Risk Model

Tier	Color	Scope	Example	Verification
GREEN	Safe	Single file, trivial revert	Test files, docs, utils	None required
YELLOW	Caution	Module-level, user-visible	Components, routes, views	Conflict check and test pass
RED	Danger	Cross-module, security/data	Migrations, auth, database schema	War-room RS, full test, and review
CRITICAL	Stop	Irreversible, regulated	Data deletion, production deploy	War-room RS and human approval

Hybrid Routing

Task received
    |
    v
Heuristic classifier (file patterns)
    |
    ├── GREEN/YELLOW → Apply tier, continue
    |
    └── RED/CRITICAL → Invoke Skill(attune:war-room-checkpoint)
                        for reversibility scoring (RS)
                        |
                        └── RS confirms or adjusts tier

Why hybrid: GREEN/YELLOW classification is fast and deterministic (file pattern matching). RED/CRITICAL tasks warrant the overhead of full reversibility analysis because the cost of getting them wrong is high.

Task Metadata Extension

Add risk tier to task metadata for downstream consumption:

{
  "id": "5",
  "subject": "Add user authentication",
  "metadata": {
    "risk_tier": "YELLOW",
    "risk_reason": "Modifies src/components/LoginForm.tsx (user-visible component)",
    "classified_at": "2026-02-07T22:00:00Z"
  }
}

Tasks without risk_tier metadata default to GREEN (backward compatible).

Readiness Levels

The 4-tier Readiness Levels system provides clear risk classification with required controls per tier:

Level	Name	When	Required Controls
0	Routine	Low blast radius, easy rollback	Basic validation, rollback step
1	Watch	User-visible changes	Review, negative test, rollback note
2	Elevated	Security/compliance/data	Adversarial review, risk checklist
3	Critical	Irreversible, regulated	Human confirmation, two-step verification

See modules/readiness-levels.md for full level definitions, selection decision tree, and integration guidance.

Graduated Autonomy

Risk classification sets how carefully a change is verified. Automation tiers set how autonomously the agent acts and when it must hand control back. Each risk tier carries a default automation tier (GREEN to A3 autonomous, CRITICAL to A0 manual), and a pre-licensed downgrade trigger drops the agent one tier on repeated failure, confidence loss, a stakes spike, or repo-state mismatch rather than re-prompting at the same level. See modules/automation-tiers.md for the tier table and the downgrade trigger, and imbue:assisted-mastery for the explain/produce mode selection that reads from it.

Module Reference

tier-definitions.md: Detailed tier criteria, boundaries, and override mechanism
heuristic-classifier.md: File-pattern rules for automated classification
verification-gates.md: Per-tier verification requirements and parallel safety matrix
readiness-levels.md: 4-tier risk system with required controls per level
automation-tiers.md: Per-tier autonomy defaults and the downgrade trigger

Integration Pattern

# In your skill's frontmatter
dependencies: [leyline:risk-classification]

For Task Generators

Append [R:TIER] marker to task format:

- [ ] T012 [P] [US1] [R:YELLOW] Create LoginForm component in src/components/LoginForm.tsx

For Orchestrators

Check risk tier before task assignment:

if task.risk_tier in ["RED", "CRITICAL"]:
    invoke Skill(attune:war-room-checkpoint) for RS scoring
    if CRITICAL: require human approval before proceeding

Exit Criteria

Every task has a risk tier assigned (explicit or default GREEN)
RED/CRITICAL tasks have war-room-checkpoint RS scores
Verification gates passed for the assigned tier
No parallel execution of prohibited tier combinations
Each task carries an automation tier; downgrades are recorded with a reason when a trigger fires